J. Olafsson, S. Davídsson, S. Karlsson, R. Pálsdóttir, and O. Steingrímsson, “Diagnosis of Chlamydia trachomatis infection in high-risk females with PCR on first void urine”., Acta Derm Venereol, vol. 76, no. 3, pp. 226–227, May 1996.